Very Brief Summary of King County tax relief for seniors

People over 61 at the end of the preceding year, disabled, or a veteran with at least 80% disability rating can qualify.

If the person's adjusted household income is less than about $58.5k they can get property tax relief if they live in a home they own.

They can apply for prior years, back to 2020. (Should apply for 2023 first.) If they had applied and were rejected, they should apply again since the income levels have changed.

The income is that of all members of the household who contribute to its operation

Take the AGI
delete VA disability compensation
add non-taxed income like the untaxed part of social security
add capital losses
subtract the following expenses (incomplete list)

If the result is less than $58,423 the person is eligible for property tax relief

Apply online at https://senior-exemption.kingcounty.gov/intro

There is also a deferral program (pay the taxes late) which is different.